Objects in the image:
category: person
category: person
category: person
category: person
category: train
category: person
category: person
category: person
category: person
category: person

Guessing-game dialogue about one of the objects:
q: is it a train?
a: Yes
q: is it the train closest to the camera?
a: N/A
q: Is it the whole train?
a: Yes